1271840

素因数分解:

$2^5\times 5^1\times {\mathrm{7949}}^1$

素因数の和:7964

約数の個数: 24

約数和(自身を含む): 3005100

約数和(自身を除く): 1733260

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 7949, 15898, 31796, 39745, 63592, 79490, 127184, 158980, 254368, 317960, 635920, 1271840]

約数ペア:

[(1, 1271840), (2, 635920), (4, 317960), (5, 254368), (8, 158980), (10, 127184), (16, 79490), (20, 63592), (32, 39745), (40, 31796), (80, 15898), (160, 7949)]